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Optical forces on patterned particles
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Paper Abstract

The non-conservative nature of optical forces has been explored previously, with the initial focus on spherical particles, and latterly on particles with less than spherical symmetry. Non-conservative optical forces occur in many different guises, and include lateral forces arising from shape asymmetry, polarisation dependant optical torques and spin-dependant lateral forces. Photo-induced curing of liquid crystalline polymers is a technique that may be used to generate refractive-index patterning of surfaces. Here, we use computational methods to examine the influence of such surface structuring on optically-generated forces and torques, with a view to optimising such materials for applications as light-driven sensors and actuators.

Paper Details

Date Published: 6 March 2019
PDF: 6 pages
Proc. SPIE 10935, Complex Light and Optical Forces XIII, 109351D (6 March 2019); doi: 10.1117/12.2511857
Show Author Affiliations
Michael O'Donnell, Univ. of Bristol (United Kingdom)
Simon Hanna, Univ. of Bristol (United Kingdom)

Published in SPIE Proceedings Vol. 10935:
Complex Light and Optical Forces XIII
Jesper Glückstad; David L. Andrews; Enrique J. Galvez, Editor(s)

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